What is the cause of water molecules being drawn together? A67. Cohesion S13. Gravity A26. Adhesion N38. Electromagnetism

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2 What is the cause of water molecules being drawn together? A67. Cohesion S13. Gravity A26. Adhesion N38. Electromagnetism

3 The main types of digestive enzymes are amylase, protease, and lipase. Which of these break protein down into amino acids? T57. Protease A69. Amylase N34. Lipase S14. Pectinase

4 Which chemical test tests for sugars? A16. Biuret Test A21. Emulsion Test S3. Iodine Test T46. Benedict s Test

5 If a heterozygous black cat and a homozygous recessive white cat mate, what is the chance they will have a white kitten? S % T59. 50% T13. 25% A37. 75%

6 Hydrogen atoms have a charge, and oxygen atoms have a charge. A28. Positive, negative S15. Neutral, positive N45. Negative, positive T49. Neutral, Negative

7 A ph level of 14 is a. A72. Weak Acid A61. Strong Acid A70. Weak Base A74. Strong Base

8 Which of the following is NOT a polymer? T48. Carbohydrate S10. DNA T58. Oxygen A20. Proteins

9 Eukaryotic organisms: N35. Have no nucleus S12. Have one nucleus T60. Have no chloroplast T53. Have no nucleus or chloroplast

10 The following is a picture of. What is the arrow pointing to? T45. Phospholipid, hydrophilic phosphate group A72. Nucleus, DNA S14. Carbohydrate, protein chain S7. Phospholipid, fatty acid

11 Which of the following results from active transport? N39. Hypertonic animal cell S47. Isotonic animal cell A8. Flaccid plant cell

12 Which stage of mitosis is pictured below? T52. Metaphase A83. Interphase T55. Telophase S43. Anaphase

13 What are the two types of fermentation? A32. Aerobic and alcoholic A66. Bacterial and anaerobic T56. Alcoholic and cellular N31. Lactic acid and alcoholic

14 organisms in the food web shown below? N41. Minnows and fish are primary consumers. N45. Algae and floating plants are decomposers N37. Aquatic crustaceans are omnivores N43. Raccoons, fish, and ducks are secondary consumers.

15 The scientific name Canus nipponicus displays what? A23. kingdom and phylum N44. phylum and genus T51. genus and species S51. kingdom and species

16 During a race, the body temperature of a runner increases. The runner responds by perspiring, which lowers body temperature. This process is an example of S2. maintenance of homeostasis S56. an antigen-antibody reaction T17. an acquired characteristic A46. environmental factors affecting phenotype

17 Definition: factor that is fixed during an experiment when the independent and dependent variables change S3. Control group A26. Qualitative data N35. Constant N43. Independent Variable

18 Most cell membranes are composed principally of what? A57. DNA and ATP T55. proteins and lipids S71. chitin and starch T27. nucleotides and amino acids

19 What would most likely result if mitosis was not accompanied by cytokinesis? A12. two cells, each with one nucleus A6. two cells, each without a nucleus S14. one cell with two identical nuclei N11. one cell without a nucleus

20 The number of autosomes and type of sex chromosome normally present in a human egg cell is. S XY N XX A Y A X

21 A certain plant requires moisture, oxygen, carbon dioxide, light, and minerals in order to survive. This statement shows that a living organism depends on? S15. biotic factors T60. abiotic factors S11. symbiotic relationships T63. carnivore-herbivore relationships

22 Which organisms are dependent upon other animals for food? A68. producers A12. herbivores A72. carnivores A1. primary consumer

23 True or false: A gamete is a somatic cell T49. True T47. False

24 In which group would there be the greatest similarity between members in terms of structure and function? A16. species S47. genus N75. kingdom T13. phylum

25 All the plants, animals, and protists living in a forest make up a. S71. population A74. community N2. species A21. phylum

26 The end result of meiosis is. S74. one diploid A1. two haploids A30. four haploids T15. two diploids

27 Some individuals with blood group A may inherit the genes for blond hair, while other individuals with blood group A may inherit the genes for brown hair. This can be explained by which principle? N27. dominance N37. multiple alleles S9. independent assortment T54. incomplete dominance

28 Which title is the best option for column X? A23. Structures Needed for Anaerobic Respiration A27. Structures Used in Gas Exchange A63. Excretory Systems N37. Sensory Receptors

29 Which comes first in the scientific method? S1. Plan investigations A23. Use evidence to justify N44. Research S4. Evaluate others results

30 Type O blood is recessive. Which cross could produce a child with type O blood? S11. AO x BB S6. AA x BO N36. AB x OO T53. AO x BO

31 In which process can a mutation result in cancer? A62. Meiosis N71. Translation S11. Mitosis T50. Transcription

32 A scorpion stalks, kills, and then eats a spider. Based on its behavior, which ecological terms describe the scorpion? T50. producer, herbivore, decomposer N17. producer, carnivore, heterotroph A66. predator, carnivore, consumer A68. predator, autotroph, herbivore

33 Purebreds are created by. N57. Hybridization T6. Cloning S10. Inbreeding A3. Transgenics

34 Hydras, earthworms, grasshoppers, and humans are classified in the same. T48. genus S29. species T11. phylum A19. kingdom

35 Osmosis is a passive process. Normally, the net flow of water molecules into or out of the cell depends upon differences in which of the following? N40. concentration of water molecules inside and outside the cell A63. concentration of enzymes on either side of the cell membrane A12. rate of molecular motion on either side of the cell membrane N18. rate of movement of insoluble molecules inside the cell

36 A molecule of DNA is a polymer composed of what? T17. glucose S21. amino acids S6. fatty acids A18. nucleotides

37 A rocky island appears as oceanic waters recede. Which of the following forms of vegetation would probably appear first on the bare rocks? T54. lichens S4. weeds T1. shrubs N20. pioneer trees

38 Movement of cell against concentration gradient is called. S47. osmosis N42. active transport N41. diffusion T48. passive transport

39 Which of the following makes up a nucleotide? A13. Nucleic acid, sugar, guanine N33. Phosphate, cytosine, sugar S20. Uracil, phosphate, nucleic acid N18. Nitrogen, adenine, sugar

40 Transcription and Translation are part of. A19. Meiosis A73. Protein Synthesis S50. Cytokinesis N67. DNA Extraction

41 Human store food as, and plants store food as. A18. starch, energy N34. fat, starch A37. fat, sugar S50. starch, fat

42 The concept that new varieties of organisms are still evolving is best supported by the A64. increasing need for new antibiotics S43. increasing number of individuals in the human population N48. decreasing number of new fossils discovered in undisturbed rock layers T50. decreasing activity of photosynthetic organisms due to warming of the atmosphere

43 In cell division, the phase following the metaphase is. A43. prophase N32. anaphase S17. telophase S4. cytokinesis

44 produce? A7. starch, which is metabolized into less complex molecules by dehydration synthesis S73. protein, which is metabolized into less complex molecules by dehydration synthesis N12. glycerol, which is metabolized into more complex carbohydrates by dehydration synthesis T56. glucose, which is metabolized into more complex carbohydrates by dehydration synthesis

45 Which process is illustrated by the diagram below? S3. crossing over S4. nondisjunction S6. sex determination S11. independent assortment

46 Which nitrogenous bases make up DNA nucleotides? A24. adenine, thymine, guanine, cytosine S15. adenine, uracil, guanine, cytosine T50. adenine, thymine, uracil, cytosine A68. adenine, thymine, guanine, uracil

47 A flowering plant has seed pods that burst open when touched, and forcefully eject their seeds. This adaptation is favorable because it. A26. aids in the dispersal of the species. S47. attracts insects that aid in pollination. N36. prevents germination within the seed pod. A70. can cause genetic changes to occur.

48 Water molecules enter plant cells by: S5. osmosis N44. active transport T48. translocation A63. transpiration

49 The outward appearance (gene expression) of a particular trait in an organism is referred to as S4. a genotype A17. a phenotype A70. an allele S15. a chromosome

50 In a plasma membrane, which of the following provides a general barrier to the movement of molecules? A20. lipids S58. proteins T20. carbohydrates A23. all of the above

51 The following steps a part of which process? Initiation Elongation Termination N36. DNA Replication N37. Mutation Correction N38. Building A Polypeptide N39. Meiosis

52 Which is not a part of Interphase of the cell cycle? A58. G1 (gap) phase A29. M (division) phase A52. G2 (gap 2) phase A15. S (synthesis) phase

53 Which pair of compounds can be classified as inorganic? N45. nucleic acids and minerals A70. proteins and water S8. water and salts A63. nucleic acids and proteins

54 A simple model that shows how energy flows through an ecosystem is. A68. Products S15. Food Chain N44. Protein T49. Food Web

55 What type of graph is displayed below? A75. Histogram S74. Kite graph N73. Raw data T72. Time dependent data

56 What is the study of the relationships that living organisms have with each other and their natural environments? A65. Ecology S49. Atom N45. Estuary N41. Proton

57 Breeders have developed a variety of chicken that has no feathers. Which methods were most likely used to produce this variety? A71. artificial selection and inbreeding T48. grafting and hybridization N37. regeneration and incubation S6. vegetative propagation and binary fission

58 The creation of wildlife refuges and the enforcement of game laws are conservation measures that promote increased T44. use of biocides A61. preservation of species A12. use of biological controls S65. exploitation of species

59 Structures that have the same evolutionary origin even though they may now have different structures or functions are said to be. T50. analogous A25. homologous A75. immutable A63. geometric

60 A child is born with an extra chromosome in each of its cells. This condition is usually the result of what? S13. nondisjunction A21. crossing-over S15. segregation N36. hybridization

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